Registration of securities issued in business combination transactions

Parent, Guarantor, Non-Guarantor Unaudited Consolidating Condensed Financial Statements - Consolidating Condensed Statement of Comprehensive Income (Loss) (Detail)

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Parent, Guarantor, Non-Guarantor Unaudited Consolidating Condensed Financial Statements - Consolidating Condensed Statement of Comprehensive Income (Loss) (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Schedule of Condensed Statement of Comprehensive Income [Line Items]          
Net income (loss) $ (12,392) $ 572 $ 27,179 $ 37,098 $ (50,645)
Currency translation difference on related borrowings (804) 0 (1,525) 0 0
Currency translation difference on foreign currency net investments 699 0 3,051 0 0
Total other comprehensive gain (loss), net of tax: (105) 0 1,526 0 0
Comprehensive income (loss) (12,497) 572 28,705 37,098 (50,645)
Comprehensive (income) loss attributable to noncontrolling interest (154) 20 198 215 194
Comprehensive income (loss) attributable to controlling interest (12,651) 592 28,903 37,313 (50,451)
Parent [Member]
          
Schedule of Condensed Statement of Comprehensive Income [Line Items]          
Net income (loss) (12,549) 592 27,015 37,313 (50,451)
Currency translation difference on related borrowings 0 0 0 0 0
Currency translation difference on foreign currency net investments 0 0 0 0 0
Total other comprehensive gain (loss), net of tax: 0 0 0 0 0
Comprehensive income (loss) (12,549) 592 27,015 37,313 (50,451)
Comprehensive (income) loss attributable to noncontrolling interest 0 0 0 0 0
Comprehensive income (loss) attributable to controlling interest (12,549) 592 27,015 37,313 (50,451)
Guarantor [Member]
          
Schedule of Condensed Statement of Comprehensive Income [Line Items]          
Net income (loss) 12,040 10,159 36,214 54,961 (49,106)
Currency translation difference on related borrowings 0 0 0 0 0
Currency translation difference on foreign currency net investments 0 0 0 0 0
Total other comprehensive gain (loss), net of tax: 0 0 0 0 0
Comprehensive income (loss) 12,040 10,159 36,214 54,961 (49,106)
Comprehensive (income) loss attributable to noncontrolling interest 0 0 0 0 0
Comprehensive income (loss) attributable to controlling interest 12,040 10,159 36,214 54,961 (49,106)
Non-Guarantor [Member]
          
Schedule of Condensed Statement of Comprehensive Income [Line Items]          
Net income (loss) (1,394) (10,000) 19,380 32,816 25,428
Currency translation difference on related borrowings (804) 0 (1,525) 0 0
Currency translation difference on foreign currency net investments 699 0 3,051 0 0
Total other comprehensive gain (loss), net of tax: (105) 0 1,526 0 0
Comprehensive income (loss) (1,499) (10,000) 20,906 32,816 25,428
Comprehensive (income) loss attributable to noncontrolling interest (154) 20 198 215 194
Comprehensive income (loss) attributable to controlling interest (1,653) (9,980) 21,104 33,031 25,622
Eliminations [Member]
          
Schedule of Condensed Statement of Comprehensive Income [Line Items]          
Net income (loss) (10,489) (179) (55,430) (87,992) 23,484
Currency translation difference on related borrowings 0 0 0 0 0
Currency translation difference on foreign currency net investments 0 0 0 0 0
Total other comprehensive gain (loss), net of tax: 0 0 0 0 0
Comprehensive income (loss) (10,489) (179) (55,430) (87,992) 23,484
Comprehensive (income) loss attributable to noncontrolling interest 0 0 0 0 0
Comprehensive income (loss) attributable to controlling interest $ (10,489) $ (179) $ (55,430) $ (87,992) $ 23,484